edwards-colemanJohn Edwards and Norm Coleman. Former U.S. senators? Check, and check. Current federal investigations? Check, and check (and check). Questionable billings of $100,000 or so? Check, and check. Issue of whether campaign funds went for personal expenses? Check, and check. Wife in headlines too? Check, and check.

But the parallels aren’t perfect.

Edwards is himself under investigation by U.S. Attorney George Holding’s office in Charlotte, N.C., and a federal grand jury may be empaneled.

Coleman hasn’t been publicly implicated by an FBI probe into allegations made in a Texas civil suit that a campaign donor secretly funneled him money.

But if worse comes to worse, both Edwards and Coleman have the same “Get Out of Jail Free” card up their sleeves. National Public Radio has reported that one reason Holding’s boss, U.S. Attorney General Eric Holder, let Ted Stevens go free was the Alaskan’s status as a former U.S. senator.

And speaking of offices they’re not in, Edwards is doubly lucky not to be president.